MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by a ClamAV signature and an ML classifier. It contains a large number of external links, many hosted on disposable domains, suggesting it is part of an SEO spam or link farm operation. One of the extracted URLs, 'https://soxebez.ru/award?keyword=cervical+radiculopathy+stretches+pdf', indicates a lure related to medical information. No scripts were extracted, but the PDF structure itself facilitates the redirection to these external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://soxebez.ru/award?keyword=cervical+radiculopathy+stretches+pdf PDF link annotation
- https://xoxomedeze.weebly.com/uploads/1/3/5/3/135308121/vorukilikisexe_taravepifuvunej_xenatuvapi_vezijemiloxij.pdfIn PDF document text
- http://sipipewawezizuf.getenjoyment.net/maths_textbook_for_class_10_cbse.pdfIn PDF document text
- http://xifutipixa.mywebcommunity.org/sab_avellaneda_english_translation.pdfIn PDF document text
- https://kopujigok.weebly.com/uploads/1/3/4/8/134862339/zapekilopilix_xilaxi_gazelidujad_palosodixi.pdfIn PDF document text
- https://pibitodasako.weebly.com/uploads/1/3/0/9/130969140/vekinubixesu.pdfIn PDF document text
- https://zaxizibu.weebly.com/uploads/1/3/4/6/134672664/1476432.pdfIn PDF document text
- https://dumexegutotopu.weebly.com/uploads/1/3/4/3/134354144/ravanin_giguvaf.pdfIn PDF document text
- http://juraxoxodas.scienceontheweb.net/zikizu.pdfIn PDF document text
- http://fiwisud.getenjoyment.net/16947549120.pdfIn PDF document text
- http://pajuwepubawip.sportsontheweb.net/nelson_phonics_1.pdfIn PDF document text
- https://tikekukitalil.weebly.com/uploads/1/3/2/7/132712015/bagubeferox_tiligovapujufax_ritovazovox_saduve.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/bepukuba/wadegowuneluwoj.pdfIn PDF document text
- https://d80868e2-5d34-4dda-9345-0396294a35aa.filesusr.com/ugd/f9fac6_4f49126e1fc040c7b612bedb8a677d0d.pdf?index=trueIn PDF document text
- http://jiwodiw.myartsonline.com/digital_logic_boolean_algebra.pdfIn PDF document text
- https://s3.amazonaws.com/fasudikek/69250521102.pdfIn PDF document text
- https://s3.amazonaws.com/megulu/hindware_bathroom_fittings_catalogue.pdfIn PDF document text
- http://kepewitibafef.myartsonline.com/advanced_auditing_and_assurance_notes.pdfIn PDF document text
- http://kofaxafogi.myartsonline.com/nisidebatakofalapagabige.pdfIn PDF document text
- https://76df98a8-3e94-4eee-a6f5-23e1de06049b.filesusr.com/ugd/54c74c_d7c59ff56ccb421f9ceedb6f30bc29f4.pdf?index=trueIn PDF document text
- https://849bdae7-2456-4570-9e2a-fc769e7e49ad.filesusr.com/ugd/2074c9_2df4e025baa14877b2a73e4644ad8e34.pdf?index=trueIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f337.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF337 | 5312 bytes |
SHA-256: d88d47064b1b1f8e75525f9e6984420841b5c78d2a626a00780b9f249cb518eb |
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font_01_sfnt_off0001054c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1054C | 10680 bytes |
SHA-256: 754ff4b480ec03e8fa66a452bcdaed41af829b17f72bf4a734a082fa90549255 |
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